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Unit cooler EM-220AB4-C25 C

Unit cooler EM-220AB4-C25 C
Illustrative photo

Producer: Karyer · Line: EM (Low Speed Ceiling)

Product code: EM-220AB4-C25 C

Cooling capacity i
2.35 kW
Air flow
985 m³/h
Fin spacing
4.2 mm
Air throw
2 m
Fans
2 × ⌀200 mm

Nominal conditions: refrigerant R404A, evaporation (dew point) −8 °C, inlet air 0 °C, humidity 85 %

Model nomenclature

How to read the code of this model.

  • A
    Model code (series): EM — EM - low-speed ceiling-type unit cooler
  • B
    Number of fans: 2 — Number of fans (one digit).
  • C
    Fan diameter: 20 — Ø200 mm
  • D
    Dimensional data - coil size letter: A — First letter of Karyer's "dimensional data". With the fan count and diameter it fixes the finned coil length and the tubes per row (one casing size). It is a catalogue size index, not a measure: take dimensions from the model datasheet.
  • E
    Dimensional data - tube rows: B — 3 tube rows
  • F
    Fin spacing: 4 — Fin spacing about 4 mm
  • G
    Generation code: C — Generation C
  • H
    Fan data: 25 — Ø200: 230V/1Ph/50Hz, 4-pole

Data

Evaporator
Air flow 985 m³/h
Air throw 2 m
External surface 17.7 m²
Inner volume 3.0 dm³
Fin spacing 4.2 mm
Fin materialAluminium
Net weight 42 kg
Fans
Quantity 2
Diameter 200 mm
Speed 1,300 rpm
Power 130 W
Supply 230V/1Ph/50Hz
Motor type AC
Poles 4
Acoustic
Sound pressure 36.0 dB(A)
Sound power 58.0 dB(A)
Energy class D
Connections
Inlet Ø9,52
Outlet Ø12,7
Defrost
EM-220AB4-C25 C None

Performance

No glide: dew, mid and bubble point give the same rating.

TD (air − evaporating) must be within 4–10 K; air inlet −40…+20 °C.

R404A, dew point -8 °C, air inlet 0 °C (TD 8 K)

Single phase
2.269 kW

Capacity matrix [kW]

R404A, Dew point; rows: TD = air inlet − evaporating temperature, columns: air inlet temperature. The highlighted cell is the nominal point (SC2). "—": not rated by the manufacturer.

≈ 1.23 estimate — vendor data irregular here

Single phase

Cooling capacity [kW] per air inlet temperature and TD
TD [K] \ air [°C] -35-30-25-20-15-10-502510121520
4 0.83 0.89 0.94 0.98 1.02 1.04 1.06 1.08 1.16 1.26 1.25 1.24 1.23 1.21
5 1.01 1.09 1.17 1.24 1.30 1.33 1.36 1.39 1.48 1.62 1.60 1.59 1.58 1.56
6 ≈ 1.17 1.28 1.38 1.48 1.56 1.61 1.65 1.69 1.81 1.97 1.95 1.94 1.93 1.90
7 1.31 1.45 1.58 1.70 1.80 1.88 1.93 1.98 2.12 2.32 2.29 2.28 2.27 2.23
8 1.42 1.62 1.78 1.93 2.05 2.14 2.21 2.27 2.43 2.64 2.63 2.62 2.60 2.56
9 1.66 1.76 1.95 2.13 2.28 2.40 2.47 2.54 2.72 2.98 2.96 2.95 2.93 2.89
10 1.87 1.89 2.11 2.33 2.51 2.62 2.73 2.82 3.02 3.31 3.30 3.29 3.27 3.23

Standard ratings (EN 328 / Eurovent)

Standard condition Air inlet [°C] TD [K] Single phase [kW]
SC1 10 10 3.300
SC2 0 8 2.269
SC3 -18 7 1.746
SC4 -25 6 1.383
SC5 -34 6 1.194

Dimensions

Dimension drawing of EM-220AB4-C25 C
Dimension drawing
Dimensions as drawn
A 2100 mm
B 600 mm
C 366 mm
F 650 mm
G 700 mm
E 615 mm
D IN 1 x Ø9,52
D OUT 1 x Ø12,7
Overall [mm]
Length 2100 mm
Width 600 mm
Height 366 mm

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The data are illustrative and may change without notice. Capacities are interpolated from the manufacturer's rating grid; points the manufacturer did not rate are shown as "not rated" and never estimated.

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